66 lines
1.9 KiB
Rust
66 lines
1.9 KiB
Rust
//! A simple example for how to set brightnesses for tiles on the screen.
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//! Continuously changes the tiles in a random window to random brightnesses.
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use clap::Parser;
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use rand::Rng;
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use servicepoint::*;
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use std::time::Duration;
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#[derive(Parser, Debug)]
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struct Cli {
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#[arg(short, long, default_value = "localhost:2342")]
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destination: String,
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#[arg(short, long, default_value_t = true)]
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enable_all: bool,
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#[arg(short, long, default_value_t = 100, allow_negative_numbers = false)]
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wait_ms: u64,
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}
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fn main() {
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let cli = Cli::parse();
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let connection = Connection::open(cli.destination)
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.expect("could not connect to display");
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let wait_duration = Duration::from_millis(cli.wait_ms);
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// put all pixels in on state
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if cli.enable_all {
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let mut filled_grid = Bitmap::max_sized();
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filled_grid.fill(true);
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let command = Command::BitmapLinearWin(
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Origin::ZERO,
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filled_grid,
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CompressionCode::Lzma,
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);
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connection.send(command).expect("send failed");
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}
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// set all pixels to the same random brightness
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let mut rng = rand::thread_rng();
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connection.send(Command::Brightness(rng.gen())).unwrap();
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// continuously update random windows to new random brightness
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loop {
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let min_size = 1;
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let x = rng.gen_range(0..TILE_WIDTH - min_size);
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let y = rng.gen_range(0..TILE_HEIGHT - min_size);
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let w = rng.gen_range(min_size..=TILE_WIDTH - x);
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let h = rng.gen_range(min_size..=TILE_HEIGHT - y);
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let origin = Origin::new(x, y);
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let mut luma = BrightnessGrid::new(w, h);
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for y in 0..h {
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for x in 0..w {
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luma.set(x, y, rng.gen());
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}
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}
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connection
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.send(Command::CharBrightness(origin, luma))
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.unwrap();
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std::thread::sleep(wait_duration);
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}
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}
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